{"id":31541,"date":"2025-07-14T11:44:27","date_gmt":"2025-07-14T04:44:27","guid":{"rendered":"https:\/\/vmts.ch\/?p=31541"},"modified":"2025-08-25T15:27:33","modified_gmt":"2025-08-25T08:27:33","slug":"quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud","status":"publish","type":"post","link":"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/","title":{"rendered":"Quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud"},"content":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh n\u1ec1n c\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng \u0111ang ng\u00e0y c\u00e0ng \u0111\u00f2i h\u1ecfi t\u00ednh ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u trong qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u01b0 BIM v\u00e0 Point Cloud \u0111\u00e3 t\u1ea1o n\u00ean cu\u1ed9c c\u00e1ch m\u1ea1ng trong c\u00e1ch ti\u1ebfp c\u1eadn v\u00e0 v\u1eadn h\u00e0nh c\u00e1c c\u00f4ng tr\u00ecnh. <strong>Quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud<\/strong> ch\u00ednh l\u00e0 c\u1ea7u n\u1ed1i gi\u00fap c\u00e1c nh\u00e0 x\u00e2y d\u1ef1ng c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i c\u00e1c d\u1eef li\u1ec7u th\u1ef1c t\u1ebf, \u0111\u01b0\u1ee3c thu th\u1eadp b\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb qu\u00e9t laser 3D, th\u00e0nh c\u00e1c m\u00f4 h\u00ecnh s\u1ed1 ho\u00e0n ch\u1ec9nh, ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ee5c \u0111\u00edch thi\u1ebft k\u1ebf, ph\u00e2n t\u00edch, thi c\u00f4ng, v\u00e0 b\u1ea3o tr\u00ec.<\/p>\n<p>Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta h\u00e3y \u0111i\u1ec3m qua nh\u1eefng l\u00fd do v\u00ec sao vi\u1ec7c \u1ee9ng d\u1ee5ng quy tr\u00ecnh n\u00e0y l\u1ea1i quan tr\u1ecdng v\u00e0 mang t\u00ednh c\u00e1ch m\u1ea1ng \u0111\u1ed1i v\u1edbi ng\u00e0nh x\u00e2y d\u1ef1ng. \u0110\u1ed3ng th\u1eddi, vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 BIM v\u00e0 d\u1eef li\u1ec7u Point Cloud ch\u00ednh l\u00e0 b\u01b0\u1edbc \u0111\u1ec7m \u0111\u1ec3 \u0111i v\u00e0o c\u00e1c ph\u1ea7n chi ti\u1ebft ph\u00eda sau.<\/p>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-31544\" src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud.jpg\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud.jpg\" alt=\"quy trinh dung mo hinh BIM tu du lieu Point Cloud \" width=\"1620\" height=\"1080\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271620%27%20height%3D%271080%27%20viewBox%3D%270%200%201620%201080%27%3E%3Crect%20width%3D%271620%27%20height%3D%271080%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-200x133.jpg 200w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-300x200.jpg 300w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-400x267.jpg 400w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-600x400.jpg 600w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-768x512.jpg 768w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-800x533.jpg 800w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-1024x683.jpg 1024w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-1200x800.jpg 1200w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-1536x1024.jpg 1536w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-dung-mo-hinh-BIM-tu-du-lieu-point-cloud.jpg 1620w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1620px) 100vw, 1620px\" \/><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i Dung B\u00e0i Vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Gioi_thieu_ve_BIM_va_Point_Cloud\" >Gi\u1edbi thi\u1ec7u v\u1ec1 BIM v\u00e0 Point Cloud<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Vai_tro_cua_Point_Cloud_trong_dung_mo_hinh_BIM\" >Vai tr\u00f2 c\u1ee7a Point Cloud trong d\u1ef1ng m\u00f4 h\u00ecnh BIM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Ung_dung_cua_quy_trinh_dung_BIM_tu_Point_Cloud_trong_xay_dung_va_quan_ly_cong_trinh\" >\u1ee8ng d\u1ee5ng c\u1ee7a quy tr\u00ecnh d\u1ef1ng BIM t\u1eeb Point Cloud trong x\u00e2y d\u1ef1ng v\u00e0 qu\u1ea3n l\u00fd c\u00f4ng tr\u00ecnh<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Khai_niem_co_ban\" >Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#BIM_la_gi\" >BIM l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Point_Cloud_la_gi\" >Point Cloud l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Moi_lien_he_va_su_bo_tro_giua_Point_Cloud_va_BIM\" >M\u1ed1i li\u00ean h\u1ec7 v\u00e0 s\u1ef1 b\u1ed5 tr\u1ee3 gi\u1eefa Point Cloud v\u00e0 BIM<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Chuan_bi_du_lieu_Point_Cloud\" >Chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u Point Cloud<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Phuong_phap_thu_thap_du_lieu_quet_laser_3D_UAV_may_quet_di_dong%E2%80%A6\" >Ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u (qu\u00e9t laser 3D, UAV, m\u00e1y qu\u00e9t di \u0111\u1ed9ng\u2026)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Xu_ly_du_lieu_tho_loc_nhieu_chuan_hoa_phan_loai\" >X\u1eed l\u00fd d\u1eef li\u1ec7u th\u00f4: l\u1ecdc nhi\u1ec5u, chu\u1ea9n h\u00f3a, ph\u00e2n lo\u1ea1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Dinh_dang_du_lieu_va_chuan_bi_de_nhap_vao_phan_mem_dung_BIM\" >\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u v\u00e0 chu\u1ea9n b\u1ecb \u0111\u1ec3 nh\u1eadp v\u00e0o ph\u1ea7n m\u1ec1m d\u1ef1ng BIM<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Quy_trinh_dung_mo_hinh_BIM_tu_Point_Cloud\" >Quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb Point Cloud<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_1_Nhap_du_lieu_Point_Cloud_vao_phan_mem_dung_BIM\" >B\u01b0\u1edbc 1: Nh\u1eadp d\u1eef li\u1ec7u Point Cloud v\u00e0o ph\u1ea7n m\u1ec1m d\u1ef1ng BIM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_2_Can_chinh_toa_do_va_hieu_chinh_du_lieu\" >B\u01b0\u1edbc 2: C\u0103n ch\u1ec9nh t\u1ecda \u0111\u1ed9 v\u00e0 hi\u1ec7u ch\u1ec9nh d\u1eef li\u1ec7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_3_Phan_tich_va_trich_xuat_cau_kien_doi_tuong_cong_trinh\" >B\u01b0\u1edbc 3: Ph\u00e2n t\u00edch v\u00e0 tr\u00edch xu\u1ea5t c\u1ea5u ki\u1ec7n, \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_4_Mo_hinh_hoa_chi_tiet_theo_tung_thanh_phan_kien_truc_ket_cau\" >B\u01b0\u1edbc 4: M\u00f4 h\u00ecnh h\u00f3a chi ti\u1ebft theo t\u1eebng th\u00e0nh ph\u1ea7n ki\u1ebfn tr\u00fac, k\u1ebft c\u1ea5u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_5_Xay_dung_cac_lop_chi_tiet_Level_of_Detail_%E2%80%93_LOD_theo_yeu_cau_khach_hang\" >B\u01b0\u1edbc 5: X\u00e2y d\u1ef1ng c\u00e1c l\u1edbp chi ti\u1ebft (Level of Detail &#8211; LOD) theo y\u00eau c\u1ea7u kh\u00e1ch h\u00e0ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_6_Kiem_tra_chinh_sua_va_hoan_thien_mo_hinh_BIM\" >B\u01b0\u1edbc 6: Ki\u1ec3m tra, ch\u1ec9nh s\u1eeda v\u00e0 ho\u00e0n thi\u1ec7n m\u00f4 h\u00ecnh BIM<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Buoc_7_Xuat_file_mo_hinh_BIM_RVT_IFC_DWG_de_su_dung_tiep\" >B\u01b0\u1edbc 7: Xu\u1ea5t file m\u00f4 h\u00ecnh BIM (RVT, IFC, DWG..) \u0111\u1ec3 s\u1eed d\u1ee5ng ti\u1ebfp<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Phan_mem_va_cong_cu_ho_tro_pho_bien\" >Ph\u1ea7n m\u1ec1m v\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 ph\u1ed5 bi\u1ebfn<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Phan_mem_xu_ly_Point_Cloud_Leica_Cyclone_Faro_Scene\" >Ph\u1ea7n m\u1ec1m x\u1eed l\u00fd Point Cloud: Leica Cyclone, Faro Scene..<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Phan_mem_dung_BIM_Autodesk_Revit_ArchiCAD_Navisworks\" >Ph\u1ea7n m\u1ec1m d\u1ef1ng BIM: Autodesk Revit, ArchiCAD, Navisworks..<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Luu_y_va_thach_thuc_khi_dung_BIM_tu_Point_Cloud\" >L\u01b0u \u00fd v\u00e0 th\u00e1ch th\u1ee9c khi d\u1ef1ng BIM t\u1eeb Point Cloud<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Khoi_luong_du_lieu_lon_yeu_cau_phan_cung_manh\" >Kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn, y\u00eau c\u1ea7u ph\u1ea7n c\u1ee9ng m\u1ea1nh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Do_chinh_xac_du_lieu_quet_anh_huong_den_chat_luong_mo_hinh\" >\u0110\u1ed9 ch\u00ednh x\u00e1c d\u1eef li\u1ec7u qu\u00e9t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u00f4 h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Kinh_nghiem_ky_thuat_va_chuyen_mon_dung_mo_hinh\" >Kinh nghi\u1ec7m k\u1ef9 thu\u1eadt v\u00e0 chuy\u00ean m\u00f4n d\u1ef1ng m\u00f4 h\u00ecnh<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Thoi_gian_va_chi_phi_thuc_hien\" >Th\u1eddi gian v\u00e0 chi ph\u00ed th\u1ef1c hi\u1ec7n<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Ung_dung_va_loi_ich_cua_quy_trinh_dung_BIM_tu_Point_Cloud\" >\u1ee8ng d\u1ee5ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a quy tr\u00ecnh d\u1ef1ng BIM t\u1eeb Point Cloud<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Ung_dung_trong_xay_dung_cai_tao_bao_tri_quan_ly_tai_san\" >\u1ee8ng d\u1ee5ng trong x\u00e2y d\u1ef1ng, c\u1ea3i t\u1ea1o, b\u1ea3o tr\u00ec, qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Tang_hieu_qua_quan_ly_du_an_va_phoi_hop_giua_cac_ben\" >T\u0103ng hi\u1ec7u qu\u1ea3 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n v\u00e0 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c b\u00ean<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Tiet_kiem_thoi_gian_chi_phi_va_giam_rui_ro_trong_thi_cong\" >Ti\u1ebft ki\u1ec7m th\u1eddi gian, chi ph\u00ed v\u00e0 gi\u1ea3m r\u1ee7i ro trong thi c\u00f4ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/vmts.ch\/vi\/quy-trinh-dung-mo-hinh-bim-tu-du-lieu-point-cloud\/#Ket_luan\" >K\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n<h3><span class=\"ez-toc-section\" id=\"Gioi_thieu_ve_BIM_va_Point_Cloud\"><\/span>Gi\u1edbi thi\u1ec7u v\u1ec1 BIM v\u00e0 Point Cloud<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>BIM (Building Information Modeling)<\/strong> l\u00e0 m\u00f4 h\u00ecnh d\u1eef li\u1ec7u th\u00f4ng minh, t\u00edch h\u1ee3p to\u00e0n b\u1ed9 th\u00f4ng tin v\u1ec1 c\u00f4ng tr\u00ecnh trong d\u1ea1ng s\u1ed1. N\u00f3 kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t b\u1ea3n v\u1ebd 3D, m\u00e0 c\u00f2n l\u00e0 n\u1ec1n t\u1ea3ng ch\u1ee9a \u0111\u1ef1ng c\u00e1c d\u1eef li\u1ec7u v\u1ec1 v\u1eadt li\u1ec7u, k\u1ebft c\u1ea5u, kh\u1ed1i l\u01b0\u1ee3ng, y\u1ebfu t\u1ed1 k\u1ef9 thu\u1eadt v\u00e0 qu\u1ea3n l\u00fd. BIM gi\u00fap c\u00e1c b\u00ean li\u00ean quan trong d\u1ef1 \u00e1n c\u00f3 th\u1ec3 thao t\u00e1c, ph\u00e2n t\u00edch v\u00e0 ki\u1ec3m tra m\u00f4 h\u00ecnh m\u1ed9t c\u00e1ch linh ho\u1ea1t, ch\u00ednh x\u00e1c, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro, l\u1ed7i k\u1ef9 thu\u1eadt v\u00e0 chi ph\u00ed s\u1eeda ch\u1eefa v\u1ec1 sau.<\/p>\n<p>Trong khi \u0111\u00f3, <strong>Point Cloud<\/strong> l\u00e0 t\u1eadp h\u1ee3p c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u kh\u00f4ng gian, thu nh\u1eadn qua c\u00e1c thi\u1ebft b\u1ecb qu\u00e9t laser 3D ho\u1eb7c UAV, ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 v\u1ecb tr\u00ed c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng, c\u00f4ng tr\u00ecnh th\u1ef1c t\u1ebf. N\u00f3 th\u1ec3 hi\u1ec7n b\u1ee9c tranh to\u00e0n c\u1ea3nh v\u1ec1 c\u00f4ng tr\u00ecnh v\u1edbi \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao, c\u00f3 th\u1ec3 bao g\u1ed3m h\u00e0ng tri\u1ec7u \u0111\u1ebfn h\u00e0ng t\u1ef7 \u0111i\u1ec3m d\u1eef li\u1ec7u, gi\u00fap cung c\u1ea5p m\u1ed9t n\u1ec1n t\u1ea3ng d\u1eef li\u1ec7u th\u1ef1c t\u1ebf \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh s\u1ed1 chi ti\u1ebft.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Vai_tro_cua_Point_Cloud_trong_dung_mo_hinh_BIM\"><\/span>Vai tr\u00f2 c\u1ee7a Point Cloud trong d\u1ef1ng m\u00f4 h\u00ecnh BIM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1eef li\u1ec7u Point Cloud ch\u00ednh l\u00e0 ch\u00eca kh\u00f3a \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i t\u1eeb th\u1ef1c t\u1ebf sang m\u00f4 h\u00ecnh s\u1ed1 m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c v\u00e0 nhanh ch\u00f3ng. C\u00e1c d\u1eef li\u1ec7u n\u00e0y sau khi \u0111\u01b0\u1ee3c thu th\u1eadp s\u1ebd gi\u00fap c\u00e1c k\u1ef9 s\u01b0 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 kh\u00f4ng gian, c\u1ea5u tr\u00fac c\u1ee7a c\u00f4ng tr\u00ecnh, k\u1ec3 c\u1ea3 c\u00e1c chi ti\u1ebft nh\u1ecf nh\u1ea5t m\u00e0 kh\u00f4ng c\u1ea7n ph\u1ea3i \u0111o \u0111\u1ea1c th\u1ee7 c\u00f4ng hay v\u1ebd l\u1ea1i t\u1eeb \u0111\u1ea7u.<\/p>\n<p>Trong quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM, Point Cloud kh\u00f4ng ch\u1ec9 gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh x\u00e1c th\u1ef1c c\u1ee7a m\u00f4 h\u00ecnh, m\u00e0 c\u00f2n cung c\u1ea5p d\u1eef li\u1ec7u n\u1ec1n t\u1ea3ng cho vi\u1ec7c ph\u00e2n t\u00edch kh\u1ea3 n\u0103ng t\u1ed3n t\u1ea1i c\u1ee7a c\u00e1c c\u1ea5u ki\u1ec7n c\u0169, ki\u1ec3m tra sai l\u1ec7ch thi\u1ebft k\u1ebf hay ph\u00e1t hi\u1ec7n c\u00e1c l\u1ed7i k\u1ef9 thu\u1eadt k\u1ecbp th\u1eddi. Nh\u1edd \u0111\u00f3, c\u00e1c d\u1ef1 \u00e1n tr\u1edf n\u00ean minh b\u1ea1ch, ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ung_dung_cua_quy_trinh_dung_BIM_tu_Point_Cloud_trong_xay_dung_va_quan_ly_cong_trinh\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a quy tr\u00ecnh d\u1ef1ng BIM t\u1eeb Point Cloud trong x\u00e2y d\u1ef1ng v\u00e0 qu\u1ea3n l\u00fd c\u00f4ng tr\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong th\u1ef1c ti\u1ec5n, <strong>quy tr\u00ecnh d\u1ef1ng BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud<\/strong> mang l\u1ea1i l\u1ee3i \u00edch l\u1edbn trong nhi\u1ec1u giai \u0111o\u1ea1n c\u1ee7a d\u1ef1 \u00e1n nh\u01b0:<\/p>\n<ul>\n<li><strong>Thi\u1ebft k\u1ebf v\u00e0 l\u1eadp d\u1ef1 to\u00e1n:<\/strong> C\u00e1c m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c gi\u00fap gi\u1ea3m thi\u1ec3u tranh ch\u1ea5p, n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1ef1 to\u00e1n, gi\u00fap qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf ph\u00f9 h\u1ee3p h\u01a1n v\u1edbi th\u1ef1c t\u1ebf.<\/li>\n<li><strong>Thi c\u00f4ng:<\/strong> D\u1eef li\u1ec7u Point Cloud cung c\u1ea5p n\u1ec1n t\u1ea3ng \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu, ki\u1ec3m tra ti\u1ebfn \u0111\u1ed9, \u0111o \u0111\u1ea1c nhanh ch\u00f3ng c\u00e1c sai l\u1ec7ch so v\u1edbi thi\u1ebft k\u1ebf ban \u0111\u1ea7u.<\/li>\n<li><strong>B\u1ea3o tr\u00ec v\u00e0 qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n:<\/strong> C\u00e1c m\u00f4 h\u00ecnh BIM gi\u00fap h\u00ecnh dung r\u00f5 r\u00e0ng t\u00ecnh tr\u1ea1ng c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00e3 ho\u00e0n th\u00e0nh, h\u1ed7 tr\u1ee3 cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng b\u1ea3o tr\u00ec, s\u1eeda ch\u1eefa, n\u00e2ng c\u1ea5p sau n\u00e0y.<\/li>\n<li><strong>An to\u00e0n v\u00e0 ki\u1ec3m tra ch\u1ea5t l\u01b0\u1ee3ng:<\/strong> Ph\u00e2n t\u00edch c\u00e1c d\u1eef li\u1ec7u qu\u00e9t gi\u00fap x\u00e1c \u0111\u1ecbnh k\u1ecbp th\u1eddi c\u00e1c v\u1ea5n \u0111\u1ec1 \u0111\u1ed9 b\u1ec1n, sai l\u1ec7ch ho\u1eb7c h\u01b0 h\u1ecfng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh.<\/li>\n<\/ul>\n<p><strong>&gt;&gt; T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 d\u1ecbch v\u1ee5 <a href=\"https:\/\/vmts.ch\/vi\/mo-hinh-hoa-3d-bim-tu-point-cloud\/\">M\u00f4 h\u00ecnh ho\u00e1 3D BIM t\u1eeb Point Cloud<\/a> c\u1ee7a ch\u00fang t\u00f4i.<\/strong><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Khai_niem_co_ban\"><\/span>Kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 kh\u00e1m ph\u00e1 m\u1ed9t c\u00e1ch h\u1ec7 th\u1ed1ng v\u00e0 to\u00e0n di\u1ec7n v\u1ec1 quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud, ch\u00fang ta c\u1ea7n n\u1eafm v\u1eefng c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1eeb \u0111\u00f3 c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 trong th\u1ef1c t\u1ebf c\u00f4ng vi\u1ec7c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"BIM_la_gi\"><\/span>BIM l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>BIM (Building Information Modeling)<\/strong> l\u00e0 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p m\u00f4 h\u00ecnh h\u00f3a to\u00e0n di\u1ec7n d\u1ef1a tr\u00ean n\u1ec1n t\u1ea3ng d\u1eef li\u1ec7u s\u1ed1, cho ph\u00e9p t\u00edch h\u1ee3p c\u00e1c th\u00f4ng tin v\u1ec1 ki\u1ebfn tr\u00fac, k\u1ebft c\u1ea5u, c\u01a1 \u0111i\u1ec7n, qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, v\u00e0 v\u1eadn h\u00e0nh c\u00f4ng tr\u00ecnh trong m\u1ed9t h\u1ec7 th\u1ed1ng duy nh\u1ea5t. BIM cung c\u1ea5p kh\u1ea3 n\u0103ng m\u00f4 ph\u1ecfng qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng, ki\u1ec3m tra, v\u00e0 qu\u1ea3n l\u00fd hi\u1ec7u qu\u1ea3 c\u00e1c ho\u1ea1t \u0111\u1ed9ng t\u1eeb thi\u1ebft k\u1ebf \u0111\u1ebfn b\u1ea3o tr\u00ec.<\/p>\n<p>Ti\u1ebfn tr\u00ecnh x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh BIM s\u1ebd t\u00edch h\u1ee3p d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u ngu\u1ed3n kh\u00e1c nhau, trong \u0111\u00f3 c\u00f3 d\u1eef li\u1ec7u Point Cloud \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh s\u1ed1 ch\u00ednh x\u00e1c ph\u1ea3n \u00e1nh th\u1ef1c tr\u1ea1ng c\u00f4ng tr\u00ecnh. Nh\u1edd \u0111\u00f3, c\u00e1c k\u1ef9 s\u01b0 v\u00e0 nh\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n c\u00f3 th\u1ec3 \u0111\u01b0a ra c\u00e1c quy\u1ebft \u0111\u1ecbnh d\u1ef1a tr\u00ean th\u00f4ng tin ch\u00ednh x\u00e1c, gi\u1ea3m thi\u1ec3u r\u1ee7i ro v\u00e0 t\u1ed1i \u01b0u h\u00f3a ngu\u1ed3n l\u1ef1c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Point_Cloud_la_gi\"><\/span>Point Cloud l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Point Cloud<\/strong> l\u00e0 d\u1eef li\u1ec7u d\u1ea1ng t\u1eadp h\u1ee3p c\u00e1c \u0111i\u1ec3m trong kh\u00f4ng gian 3D, \u0111\u01b0\u1ee3c qu\u00e9t b\u1eb1ng thi\u1ebft b\u1ecb laser ho\u1eb7c UAV, th\u1ec3 hi\u1ec7n ch\u00ednh x\u00e1c h\u00ecnh d\u1ea1ng v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng th\u1ef1c t\u1ebf. C\u00e1c \u0111i\u1ec3m n\u00e0y ph\u1ea3n \u00e1nh \u0111\u00fang m\u1eb7t c\u1eaft, \u0111\u01b0\u1eddng n\u00e9t, chung quanh v\u00e0 chi\u1ec1u s\u00e2u c\u1ee7a c\u00e1c b\u1ed9 ph\u1eadn c\u00f4ng tr\u00ecnh, cho ph\u00e9p x\u00e2y d\u1ef1ng c\u00e1c m\u00f4 h\u00ecnh s\u1ed1 r\u1ea5t chi ti\u1ebft.<\/p>\n<p>D\u1eef li\u1ec7u Point Cloud th\u01b0\u1eddng ch\u1ee9a h\u00e0ng tri\u1ec7u \u0111i\u1ec3m, trong \u0111\u00f3 m\u1ed7i \u0111i\u1ec3m c\u00f3 t\u1ecda \u0111\u1ed9 x, y, z c\u00f9ng c\u00e1c thu\u1ed9c t\u00ednh ph\u1ee5 nh\u01b0 m\u00e0u s\u1eafc, \u0111\u1ed9 ph\u1ea3n x\u1ea1. C\u00e1c ph\u1ea7n m\u1ec1m x\u1eed l\u00fd d\u1eef li\u1ec7u Point Cloud c\u00f3 th\u1ec3 l\u1ecdc, ph\u00e2n lo\u1ea1i, v\u00e0 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh c\u00e1c d\u1ea1ng d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p cho m\u00f4 h\u00ecnh h\u00f3a BIM.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Moi_lien_he_va_su_bo_tro_giua_Point_Cloud_va_BIM\"><\/span>M\u1ed1i li\u00ean h\u1ec7 v\u00e0 s\u1ef1 b\u1ed5 tr\u1ee3 gi\u1eefa Point Cloud v\u00e0 BIM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Hai kh\u00e1i ni\u1ec7m n\u00e0y kh\u00f4ng c\u00f2n xa l\u1ea1 hay t\u00e1ch r\u1eddi m\u00e0 lu\u00f4n lu\u00f4n \u0111i \u0111\u00f4i, b\u1ed5 tr\u1ee3 l\u1eabn nhau. Trong \u0111\u00f3, Point Cloud cung c\u1ea5p n\u1ec1n t\u1ea3ng d\u1eef li\u1ec7u ch\u00ednh x\u00e1c t\u1eeb th\u1ef1c t\u1ebf \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh BIM, gi\u00fap m\u00f4 h\u00ecnh ph\u1ea3n \u00e1nh \u0111\u00fang t\u00ecnh tr\u1ea1ng th\u1ef1c t\u1ebf c\u1ee7a c\u00f4ng tr\u00ecnh. Trong \u0111i\u1ec1u ki\u1ec7n c\u1ea7n ki\u1ec3m tra hay n\u00e2ng c\u1ea5p c\u00e1c c\u00f4ng tr\u00ecnh c\u0169, d\u1eef li\u1ec7u Point Cloud gi\u00fap t\u1ea1o ra c\u00e1c b\u1ea3n sao s\u1ed1 ch\u00ednh x\u00e1c, ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c ph\u00e2n t\u00edch, kh\u1ea3o s\u00e1t, v\u00e0 thi\u1ebft k\u1ebf s\u1eeda ch\u1eefa.<\/p>\n<p>Ng\u01b0\u1ee3c l\u1ea1i, m\u00f4 h\u00ecnh BIM sau khi x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean d\u1eef li\u1ec7u Point Cloud gi\u00fap c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd, k\u1ef9 s\u01b0 v\u00e0 k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng truy c\u1eadp, ch\u1ec9nh s\u1eeda, ph\u00e2n t\u00edch theo t\u1eebng l\u1edbp ho\u1eb7c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng ri\u00eang bi\u1ec7t. S\u1ef1 li\u00ean k\u1ebft n\u00e0y t\u1ea1o ra m\u1ed9t h\u1ec7 sinh th\u00e1i th\u00f4ng minh, linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 cho m\u1ee5c ti\u00eau qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n l\u00e2u d\u00e0i.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chuan_bi_du_lieu_Point_Cloud\"><\/span>Chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u Point Cloud<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u Point Cloud ch\u00ednh l\u00e0 b\u01b0\u1edbc n\u1ec1n m\u00f3ng quy\u1ebft \u0111\u1ecbnh s\u1ef1 th\u00e0nh c\u00f4ng c\u1ee7a to\u00e0n b\u1ed9 quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM. N\u1ebfu d\u1eef li\u1ec7u thu th\u1eadp kh\u00f4ng \u0111\u1ee7 ch\u1ea5t l\u01b0\u1ee3ng ho\u1eb7c ch\u01b0a \u0111\u01b0\u1ee3c x\u1eed l\u00fd \u0111\u00fang c\u00e1ch, k\u1ebft qu\u1ea3 cu\u1ed1i c\u00f9ng s\u1ebd b\u1ecb \u1ea3nh h\u01b0\u1edfng ti\u00eau c\u1ef1c.<\/p>\n<p>Trong ph\u1ea7n n\u00e0y, ch\u00fang ta s\u1ebd \u0111i s\u00e2u v\u00e0o c\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u, x\u1eed l\u00fd v\u00e0 chu\u1ea9n h\u00f3a \u0111\u1ec3 chu\u1ea9n b\u1ecb cho b\u01b0\u1edbc ti\u1ebfp theo l\u00e0 nh\u1eadp d\u1eef li\u1ec7u v\u00e0o ph\u1ea7n m\u1ec1m d\u1ef1ng m\u00f4 h\u00ecnh BIM m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phuong_phap_thu_thap_du_lieu_quet_laser_3D_UAV_may_quet_di_dong%E2%80%A6\"><\/span>Ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u (qu\u00e9t laser 3D, UAV, m\u00e1y qu\u00e9t di \u0111\u1ed9ng\u2026)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c ph\u01b0\u01a1ng ph\u00e1p thu th\u1eadp d\u1eef li\u1ec7u Point Cloud \u0111a d\u1ea1ng v\u00e0 t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n, \u0111i\u1ec1u ki\u1ec7n c\u00f4ng tr\u00ecnh c\u0169ng nh\u01b0 \u0111\u1ed9 ch\u00ednh x\u00e1c mong mu\u1ed1n.<\/p>\n<h4>Qu\u00e9t laser 3D<\/h4>\n<p>L\u00e0 ph\u01b0\u01a1ng ph\u00e1p ph\u1ed5 bi\u1ebfn nh\u1ea5t trong thu th\u1eadp d\u1eef li\u1ec7u Point Cloud. D\u01b0\u1edbi s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb qu\u00e9t laser, d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thu th\u1eadp tr\u1ef1c ti\u1ebfp t\u1ea1i hi\u1ec7n tr\u01b0\u1eddng, cho ra c\u00e1c \u0111i\u1ec3m d\u1eef li\u1ec7u v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao, ph\u00f9 h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n y\u00eau c\u1ea7u k\u1ef9 thu\u1eadt cao. Thi\u1ebft b\u1ecb qu\u00e9t laser 3D c\u00f3 th\u1ec3 di chuy\u1ec3n t\u00f9y \u00fd quanh c\u00f4ng tr\u00ecnh, qu\u00e9t t\u1eeb nhi\u1ec1u g\u00f3c \u0111\u1ed9, \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u c\u00f3 \u0111\u1ed9 bao ph\u1ee7 r\u1ed9ng, ch\u00ednh x\u00e1c cao. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt vi\u00ean v\u1eadn h\u00e0nh th\u00e0nh th\u1ea1o \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u qu\u1ea3 t\u1ed1i \u01b0u.<\/p>\n<h4>UAV (Drone)<\/h4>\n<p>C\u00e1c drone \u0111\u01b0\u1ee3c trang b\u1ecb camera ho\u1eb7c c\u1ea3m bi\u1ebfn laser qu\u00e9t c\u00f3 th\u1ec3 ti\u1ebfp c\u1eadn c\u00e1c v\u1ecb tr\u00ed kh\u00f3 ti\u1ebfp c\u1eadn, c\u00f3 th\u1ec3 thu th\u1eadp d\u1eef li\u1ec7u nhanh ch\u00f3ng, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c d\u1ef1 \u00e1n l\u1edbn hay c\u00f4ng tr\u00ecnh c\u00f3 ph\u1ea1m vi r\u1ed9ng. Qu\u00e9t drone ph\u00f9 h\u1ee3p \u0111\u1eb7c bi\u1ec7t trong c\u00e1c c\u00f4ng tr\u00ecnh cao t\u1ea7ng, c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng ngo\u00e0i tr\u1eddi, ho\u1eb7c c\u00e1c \u0111\u1ecba h\u00ecnh kh\u00f3 ti\u1ebfp c\u1eadn. Tuy nhi\u00ean, \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a UAV kh\u00f4ng b\u1eb1ng qu\u00e9t laser c\u1ed1 \u0111\u1ecbnh, n\u00ean th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft h\u1ee3p \u0111\u1ec3 t\u1ed1i \u01b0u d\u1eef li\u1ec7u.<\/p>\n<h4>M\u00e1y qu\u00e9t di \u0111\u1ed9ng (Mobile Mapping)<\/h4>\n<p>\u0110\u00e2y l\u00e0 c\u00f4ng ngh\u1ec7 qu\u00e9t laser g\u1eafn tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n di chuy\u1ec3n nh\u01b0 \u00f4 t\u00f4, xe t\u1ea3i, ho\u1eb7c h\u1ec7 th\u1ed1ng di \u0111\u1ed9ng chuy\u00ean d\u1ee5ng. Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y ph\u00f9 h\u1ee3p \u0111\u1ec3 qu\u00e9t c\u00e1c khu v\u1ef1c r\u1ed9ng l\u1edbn, b\u1ec1 m\u1eb7t ph\u1ee9c t\u1ea1p, c\u0169ng nh\u01b0 c\u00e1c c\u00f4ng tr\u00ecnh \u0111\u00e3 ho\u00e0n thi\u1ec7n trong chi\u1ebfn d\u1ecbch kh\u1ea3o s\u00e1t t\u1ed5ng th\u1ec3. \u01afu \u0111i\u1ec3m l\u00e0 nhanh, kh\u1ea3 n\u0103ng thu th\u1eadp d\u1eef li\u1ec7u di\u1ec7n r\u1ed9ng, th\u00edch h\u1ee3p cho c\u00f4ng t\u00e1c qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n \u0111\u00f4 th\u1ecb hay d\u1ef1 \u00e1n h\u1ea1 t\u1ea7ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Xu_ly_du_lieu_tho_loc_nhieu_chuan_hoa_phan_loai\"><\/span>X\u1eed l\u00fd d\u1eef li\u1ec7u th\u00f4: l\u1ecdc nhi\u1ec5u, chu\u1ea9n h\u00f3a, ph\u00e2n lo\u1ea1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi thu th\u1eadp, d\u1eef li\u1ec7u Point Cloud th\u01b0\u1eddng c\u00f3 r\u1ea5t nhi\u1ec1u nhi\u1ec5u, \u0111i\u1ec3m sai l\u1ec7ch, ho\u1eb7c ch\u01b0a ph\u00e2n lo\u1ea1i r\u00f5 r\u00e0ng c\u00e1c ph\u1ea7n c\u1ee7a c\u00f4ng tr\u00ecnh, c\u1ea7n \u0111\u01b0\u1ee3c x\u1eed l\u00fd k\u1ef9 c\u00e0ng \u0111\u1ec3 ph\u00f9 h\u1ee3p cho b\u01b0\u1edbc d\u1ef1ng m\u00f4 h\u00ecnh.<\/p>\n<h4>L\u1ecdc nhi\u1ec5u<\/h4>\n<p>D\u1eef li\u1ec7u th\u00f4 th\u01b0\u1eddng ch\u1ee9a nhi\u1ec1u \u0111i\u1ec3m b\u1ea5t th\u01b0\u1eddng, nhi\u1ec5u do y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng ho\u1eb7c c\u00f4ng ngh\u1ec7 qu\u00e9t kh\u00f4ng ho\u00e0n h\u1ea3o g\u00e2y ra. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n m\u1ec1m x\u1eed l\u00fd Point Cloud gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c \u0111i\u1ec3m kh\u00f4ng h\u1ee3p l\u00fd, gi\u1ea3m t\u1ea3i d\u1eef li\u1ec7u v\u00e0 t\u0103ng \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00f4 h\u00ecnh. Ph\u00e2n lo\u1ea1i, l\u1ecdc nhi\u1ec5u c\u00f2n gi\u00fap ph\u00e2n bi\u1ec7t c\u00e1c l\u1edbp v\u1eadt th\u1ec3 nh\u01b0 t\u01b0\u1eddng, c\u1ed9t, s\u00e0n, m\u00e1i nh\u00e0 \u0111\u1ec3 thu\u1eadn ti\u1ec7n cho c\u00e1c b\u01b0\u1edbc x\u1eed l\u00fd ti\u1ebfp theo.<\/p>\n<h4>Chu\u1ea9n h\u00f3a d\u1eef li\u1ec7u<\/h4>\n<p>Vi\u1ec7c chu\u1ea9n h\u00f3a bao g\u1ed3m vi\u1ec7c ch\u1ec9nh s\u1eeda, ch\u1ec9nh l\u1ec7ch ho\u1eb7c c\u0103n ch\u1ec9nh l\u1ea1i d\u1eef li\u1ec7u v\u1ec1 c\u00f9ng m\u1ed9t h\u1ec7 t\u1ecda \u0111\u1ed9, ph\u01b0\u01a1ng ph\u00e1p ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh ch\u00ednh x\u00e1c c\u1ee7a m\u00f4 h\u00ecnh sau n\u00e0y. Hi\u1ec7n nay, ph\u1ea7n m\u1ec1m nh\u01b0 Leica Cyclone, Faro Scene l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 \u0111\u1eafc l\u1ef1c \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c n\u00e0y m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 ch\u00ednh x\u00e1c.<\/p>\n<h4>Ph\u00e2n lo\u1ea1i v\u00e0 chu\u1ea9n b\u1ecb \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u<\/h4>\n<p>Ph\u00e2n lo\u1ea1i c\u00e1c \u0111i\u1ec3m Point Cloud theo t\u1eebng l\u1edbp ho\u1eb7c lo\u1ea1i \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec3 d\u1ec5 d\u00e0ng tr\u00edch xu\u1ea5t v\u00e0 s\u1eed d\u1ee5ng trong ph\u1ea7n m\u1ec1m d\u1ef1ng BIM. \u0110\u1ed3ng th\u1eddi, c\u1ea7n chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u sang c\u00e1c \u0111\u1ecbnh d\u1ea1ng chu\u1ea9n nh\u01b0 LAS, LAZ, E57, ho\u1eb7c RCS ph\u00f9 h\u1ee3p \u0111\u1ec3 nh\u1eadp v\u00e0o ph\u1ea7n m\u1ec1m d\u1ef1ng m\u00f4 h\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Dinh_dang_du_lieu_va_chuan_bi_de_nhap_vao_phan_mem_dung_BIM\"><\/span>\u0110\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u v\u00e0 chu\u1ea9n b\u1ecb \u0111\u1ec3 nh\u1eadp v\u00e0o ph\u1ea7n m\u1ec1m d\u1ef1ng BIM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi x\u1eed l\u00fd, d\u1eef li\u1ec7u c\u1ea7n \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb theo \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p, t\u1ed1i \u01b0u cho ph\u1ea7n m\u1ec1m BIM. C\u00e1c \u0111\u1ecbnh d\u1ea1ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n<ul>\n<li><strong>LAS\/ LAZ:<\/strong> \u0110\u1ecbnh d\u1ea1ng chu\u1ea9n cho Point Cloud, ph\u1ed5 bi\u1ebfn trong c\u00e1c ph\u1ea7n m\u1ec1m x\u1eed l\u00fd d\u1eef li\u1ec7u laser.<\/li>\n<li><strong>E57:<\/strong> \u0110\u1ecbnh d\u1ea1ng h\u1ed7 tr\u1ee3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u nhi\u1ec1u d\u1ea1ng, ph\u00f9 h\u1ee3p \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i v\u00e0 t\u00edch h\u1ee3p.<\/li>\n<li><strong>RCS:<\/strong> \u0110\u1ecbnh d\u1ea1ng g\u1ed1c c\u1ee7a Faro Scene, d\u1ec5 d\u00e0ng x\u1eed l\u00fd v\u00e0 ch\u1ec9nh s\u1eeda.<\/li>\n<\/ul>\n<p>Trong b\u01b0\u1edbc n\u00e0y, c\u1ea7n ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb l\u1ed7i ho\u1eb7c m\u1ea5t m\u00e1t trong qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i, nh\u1eb1m \u0111em l\u1ea1i k\u1ebft qu\u1ea3 m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c v\u00e0 chi ti\u1ebft nh\u1ea5t c\u00f3 th\u1ec3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Quy_trinh_dung_mo_hinh_BIM_tu_Point_Cloud\"><\/span>Quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb Point Cloud<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi \u0111\u00e3 chu\u1ea9n b\u1ecb d\u1eef li\u1ec7u k\u1ef9 l\u01b0\u1ee1ng, ch\u00fang ta s\u1ebd \u0111i v\u00e0o quy tr\u00ecnh ch\u00ednh \u0111\u1ec3 x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi s\u1ef1 ch\u00ednh x\u00e1c, t\u1ec9 m\u1ec9 c\u0169ng nh\u01b0 kinh nghi\u1ec7m k\u1ef9 thu\u1eadt, nh\u1eb1m gi\u00fap m\u00f4 h\u00ecnh kh\u00f4ng ch\u1ec9 ph\u1ea3n \u00e1nh \u0111\u00fang th\u1ef1c t\u1ebf m\u00e0 c\u00f2n ph\u00f9 h\u1ee3p cho c\u00e1c m\u1ee5c \u0111\u00edch l\u00e0m vi\u1ec7c nh\u01b0 thi\u1ebft k\u1ebf, thi c\u00f4ng hay qu\u1ea3n l\u00fd.<\/p>\n<p>C\u00e1c b\u01b0\u1edbc n\u00e0y \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c theo th\u1ee9 t\u1ef1 logic, b\u1eaft \u0111\u1ea7u t\u1eeb vi\u1ec7c nh\u1eadp d\u1eef li\u1ec7u, c\u0103n ch\u1ec9nh, ph\u00e2n t\u00edch, tr\u00edch xu\u1ea5t, m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ebfn ki\u1ec3m tra, ch\u1ec9nh s\u1eeda v\u00e0 cu\u1ed1i c\u00f9ng l\u00e0 xu\u1ea5t b\u1ea3n m\u00f4 h\u00ecnh ho\u00e0n ch\u1ec9nh.<\/p>\n<p><img decoding=\"async\" class=\"lazyload alignnone size-full wp-image-31558\" src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud.jpg\" data-orig-src=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud.jpg\" alt=\"7 b\u01b0\u1edbc d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud\" width=\"1636\" height=\"839\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271636%27%20height%3D%27839%27%20viewBox%3D%270%200%201636%20839%27%3E%3Crect%20width%3D%271636%27%20height%3D%27839%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-200x103.jpg 200w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-300x154.jpg 300w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-400x205.jpg 400w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-600x308.jpg 600w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-768x394.jpg 768w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-800x410.jpg 800w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-1024x525.jpg 1024w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-1200x615.jpg 1200w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud-1536x788.jpg 1536w, https:\/\/vmts.ch\/wp-content\/uploads\/2025\/07\/quy-trinh-7-buoc-dung-mo-hinh-BIM-tu-du-lieu-point-cloud.jpg 1636w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1636px) 100vw, 1636px\" \/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_1_Nhap_du_lieu_Point_Cloud_vao_phan_mem_dung_BIM\"><\/span>B\u01b0\u1edbc 1: Nh\u1eadp d\u1eef li\u1ec7u Point Cloud v\u00e0o ph\u1ea7n m\u1ec1m d\u1ef1ng BIM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 b\u01b0\u1edbc b\u01b0\u1edbc \u0111\u1ea7u \u0111\u1ec3 \u0111\u01b0a d\u1eef li\u1ec7u v\u00e0o h\u1ec7 th\u1ed1ng x\u1eed l\u00fd, nh\u1eb1m t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng l\u00e0m vi\u1ec7c thu\u1eadn l\u1ee3i cho c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo. T\u00f9y v\u00e0o ph\u1ea7n m\u1ec1m s\u1eed d\u1ee5ng, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1ecbnh d\u1ea1ng d\u1eef li\u1ec7u, ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a t\u1eadp h\u1ee3p d\u1eef li\u1ec7u.<\/p>\n<p>Th\u01b0\u1eddng th\u00ec c\u00e1c ph\u1ea7n m\u1ec1m nh\u01b0 Autodesk Revit, Navisworks hay c\u00e1c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng nh\u01b0 Cyclone, Faro Scene \u0111\u1ec1u h\u1ed7 tr\u1ee3 nh\u1eadp d\u1eef li\u1ec7u Point Cloud theo nhi\u1ec1u \u0111\u1ecbnh d\u1ea1ng ph\u1ed5 bi\u1ebfn. Khi nh\u1eadp v\u00e0o, ng\u01b0\u1eddi d\u00f9ng c\u1ea7n quan t\u00e2m \u0111\u1ebfn t\u1ef7 l\u1ec7, h\u1ec7 t\u1ecda \u0111\u1ed9 v\u00e0 c\u00e1c thi\u1ebft l\u1eadp ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u kh\u00f4ng b\u1ecb bi\u1ebfn d\u1ea1ng ho\u1eb7c l\u1ec7ch v\u1ecb tr\u00ed. C\u00e1c ph\u1ea7n m\u1ec1m n\u00e0y c\u00f2n cung c\u1ea5p c\u00e1c c\u00f4ng c\u1ee5 \u0111\u1ec3 ki\u1ec3m tra, xem x\u00e9t s\u01a1 b\u1ed9 d\u1eef li\u1ec7u, gi\u00fap ph\u00e1t hi\u1ec7n l\u1ed7i ho\u1eb7c \u0111i\u1ec3m nhi\u1ec5u ngay t\u1eeb giai \u0111o\u1ea1n ban \u0111\u1ea7u.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_2_Can_chinh_toa_do_va_hieu_chinh_du_lieu\"><\/span>B\u01b0\u1edbc 2: C\u0103n ch\u1ec9nh t\u1ecda \u0111\u1ed9 v\u00e0 hi\u1ec7u ch\u1ec9nh d\u1eef li\u1ec7u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1eef li\u1ec7u Point Cloud t\u1eeb qu\u00e1 tr\u00ecnh thu th\u1eadp th\u01b0\u1eddng kh\u00f4ng ho\u00e0n to\u00e0n ch\u00ednh x\u00e1c v\u1ec1 t\u1ecda \u0111\u1ed9 ho\u1eb7c c\u00f2n t\u1ed3n d\u01b0 c\u00e1c l\u1ed7i nh\u1ecf. Do \u0111\u00f3, b\u01b0\u1edbc c\u0103n ch\u1ec9nh n\u00e0y v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u1ef7 l\u1ec7, h\u1ec7 t\u1ecda \u0111\u1ed9 \u0111\u00e3 \u0111\u1ecbnh tr\u01b0\u1edbc c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p>C\u00e1c c\u00f4ng c\u1ee5 trong ph\u1ea7n m\u1ec1m nh\u01b0 ph\u00e9p bi\u1ebfn \u0111\u1ed5i, hi\u1ec7u ch\u1ec9nh th\u1ee7 c\u00f4ng ho\u1eb7c t\u1ef1 \u0111\u1ed9ng gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m chu\u1ea9n, c\u0103n ch\u1ec9nh d\u1eef li\u1ec7u v\u1ec1 h\u1ec7 t\u1ecda \u0111\u1ed9 chung. Ngo\u00e0i ra, vi\u1ec7c hi\u1ec7u ch\u1ec9nh c\u00f2n gi\u00fap lo\u1ea1i b\u1ecf c\u00e1c ch\u00eanh l\u1ec7ch, sai l\u1ec7ch v\u1ecb tr\u00ed, \u0111\u1ea3m b\u1ea3o t\u00ednh li\u00ean k\u1ebft ch\u00ednh x\u00e1c c\u1ee7a d\u1eef li\u1ec7u trong to\u00e0n b\u1ed9 m\u00f4 h\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_3_Phan_tich_va_trich_xuat_cau_kien_doi_tuong_cong_trinh\"><\/span>B\u01b0\u1edbc 3: Ph\u00e2n t\u00edch v\u00e0 tr\u00edch xu\u1ea5t c\u1ea5u ki\u1ec7n, \u0111\u1ed1i t\u01b0\u1ee3ng c\u00f4ng tr\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1eeb d\u1eef li\u1ec7u Point Cloud \u0111\u00e3 c\u0103n ch\u1ec9nh, k\u1ef9 s\u01b0 ti\u1ebfn h\u00e0nh ph\u00e2n t\u00edch \u0111\u1ec3 ph\u00e2n lo\u1ea1i c\u00e1c ph\u1ea7n c\u1ee7a c\u00f4ng tr\u00ecnh nh\u01b0 t\u01b0\u1eddng, tr\u1ea7n, c\u1ed9t, h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n, c\u00e1c c\u1ea5u ki\u1ec7n kh\u00f3 nh\u1eadn di\u1ec7n trong d\u1eef li\u1ec7u th\u00f4. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u00f2i h\u1ecfi k\u1ef9 n\u0103ng, ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng nh\u01b0 Autodesk Revit, Civil 3D ho\u1eb7c Navisworks \u0111\u1ec3 \u0111\u1ed1i chi\u1ebfu, ph\u00e2n t\u00e1ch v\u00e0 tr\u00edch xu\u1ea5t c\u00e1c ph\u1ea7n t\u1eed ph\u00f9 h\u1ee3p.<\/p>\n<p>Qu\u00e1 tr\u00ecnh n\u00e0y c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n t\u1ef1 \u0111\u1ed9ng ho\u1eb7c b\u00e1n t\u1ef1 \u0111\u1ed9ng \u0111\u1ec3 nh\u1eadn d\u1ea1ng c\u00e1c \u0111\u01b0\u1eddng n\u00e9t, \u0111\u1ed1i t\u01b0\u1ee3ng. H\u01a1n n\u1eefa, vi\u1ec7c ph\u1ed1i h\u1ee3p v\u1edbi h\u00ecnh \u1ea3nh, ph\u00e2n t\u00edch c\u1ea5u tr\u00fac, kh\u1ea3o s\u00e1t th\u00eam gi\u00fap x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c h\u01a1n c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a. \u0110\u00e2y l\u00e0 b\u01b0\u1edbc \u0111\u1ec7m \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u th\u00f4 th\u00e0nh c\u00e1c th\u00e0nh ph\u1ea7n m\u1eabu m\u00e3, ph\u1ea7n m\u1ec1m s\u1ebd gi\u00fap x\u00e2y d\u1ef1ng c\u00e1c l\u1edbp m\u00f4 h\u00ecnh ph\u00f9 h\u1ee3p, c\u0103n c\u1ee9 tr\u00ean d\u1eef li\u1ec7u th\u1ef1c t\u1ebf.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_4_Mo_hinh_hoa_chi_tiet_theo_tung_thanh_phan_kien_truc_ket_cau\"><\/span>B\u01b0\u1edbc 4: M\u00f4 h\u00ecnh h\u00f3a chi ti\u1ebft theo t\u1eebng th\u00e0nh ph\u1ea7n ki\u1ebfn tr\u00fac, k\u1ebft c\u1ea5u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1ef1a tr\u00ean c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u00e3 ph\u00e2n lo\u1ea1i, k\u1ef9 s\u01b0 s\u1ebd b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh trong ph\u1ea7n m\u1ec1m BIM ph\u00f9 h\u1ee3p nh\u01b0 Revit, ArchiCAD. C\u00e1c th\u00e0nh ph\u1ea7n nh\u01b0 t\u01b0\u1eddng, s\u00e0n, m\u00e1i, c\u1ed9t, h\u1ec7 th\u1ed1ng \u0111i\u1ec7n, n\u01b0\u1edbc s\u1ebd \u0111\u01b0\u1ee3c t\u1ea1o th\u00e0nh c\u00e1c l\u1edbp ri\u00eang bi\u1ec7t, s\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 ch\u1ec9nh s\u1eeda, v\u1ebd \u0111\u1ec3 m\u00f4 ph\u1ecfng chi ti\u1ebft theo thi\u1ebft k\u1ebf c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<p>Trong giai \u0111o\u1ea1n n\u00e0y, vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a kh\u00f4ng ch\u1ec9 d\u1eebng l\u1ea1i \u1edf h\u00ecnh d\u1ea1ng c\u01a1 b\u1ea3n m\u00e0 c\u00f2n ph\u1ea3i ph\u1ea3n \u00e1nh \u0111\u00fang c\u00e1c chi ti\u1ebft k\u1ef9 thu\u1eadt, v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc, \u0111\u1ed9 d\u00e0y, v\u1ecb tr\u00ed l\u1ed7 khoan, c\u00e1c k\u1ebft c\u1ea5u li\u00ean quan. M\u1ed9t \u0111i\u1ec3m \u0111\u1eb7c bi\u1ec7t c\u1ee7a quy tr\u00ecnh n\u00e0y ch\u00ednh l\u00e0 kh\u1ea3 n\u0103ng c\u1eadp nh\u1eadt, ch\u1ec9nh s\u1eeda d\u1ec5 d\u00e0ng trong m\u00f4i tr\u01b0\u1eddng s\u1ed1, gi\u00fap gi\u1ea3m thi\u1ec3u th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c so v\u1edbi ph\u01b0\u01a1ng ph\u00e1p th\u1ee7 c\u00f4ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_5_Xay_dung_cac_lop_chi_tiet_Level_of_Detail_%E2%80%93_LOD_theo_yeu_cau_khach_hang\"><\/span>B\u01b0\u1edbc 5: X\u00e2y d\u1ef1ng c\u00e1c l\u1edbp chi ti\u1ebft (Level of Detail &#8211; LOD) theo y\u00eau c\u1ea7u kh\u00e1ch h\u00e0ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong th\u1ef1c t\u1ebf, c\u00e1c m\u00f4 h\u00ecnh BIM c\u00f3 th\u1ec3 kh\u00e1c nhau v\u1ec1 m\u1ee9c \u0111\u1ed9 chi ti\u1ebft, g\u1ecdi l\u00e0 Level of Detail (LOD). T\u00f9y theo m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng nh\u01b0 thi\u1ebft k\u1ebf, thi c\u00f4ng, hay qu\u1ea3n l\u00fd v\u1eadn h\u00e0nh, c\u00e1c m\u00f4 h\u00ecnh s\u1ebd \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh ph\u00f9 h\u1ee3p.<\/p>\n<p>Th\u00f4ng th\u01b0\u1eddng, c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng y\u00eau c\u1ea7u l\u01b0\u1edbi LOD nh\u01b0 LOD 100, LOD 200, LOD 300, LOD 400 ho\u1eb7c LOD 500, \u0111\u1ea1i di\u1ec7n cho c\u00e1c m\u1ee9c \u0111\u1ed9 m\u00f4 ph\u1ecfng t\u1ec9 l\u1ec7 ch\u00ednh x\u00e1c t\u1eeb s\u01a1 b\u1ed9 \u0111\u1ebfn c\u1ef1c k\u1ef3 chi ti\u1ebft. Vi\u1ec7c n\u00e0y ph\u1ea3n \u00e1nh ch\u00ednh x\u00e1c c\u00e1c c\u1ea5u ki\u1ec7n, k\u00e8m theo c\u00e1c \u0111\u1eb7c t\u00ednh k\u1ef9 thu\u1eadt, v\u1eadt li\u1ec7u, k\u00edch th\u01b0\u1edbc, v\u1ecb tr\u00ed. Qu\u00e1 tr\u00ecnh x\u00e2y d\u1ef1ng c\u00e1c l\u1edbp n\u00e0y gi\u00fap c\u00e1c b\u00ean li\u00ean quan d\u1ec5 d\u00e0ng ph\u1ed1i h\u1ee3p, ki\u1ec3m so\u00e1t ti\u1ebfn \u0111\u1ed9, ch\u1ea5t l\u01b0\u1ee3ng theo t\u1eebng giai \u0111o\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_6_Kiem_tra_chinh_sua_va_hoan_thien_mo_hinh_BIM\"><\/span>B\u01b0\u1edbc 6: Ki\u1ec3m tra, ch\u1ec9nh s\u1eeda v\u00e0 ho\u00e0n thi\u1ec7n m\u00f4 h\u00ecnh BIM<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Sau khi d\u1ef1ng m\u00f4 h\u00ecnh s\u01a1 b\u1ed9, c\u00e1c k\u1ef9 s\u01b0 ti\u1ebfn h\u00e0nh ki\u1ec3m tra k\u1ef9 c\u00e0ng c\u00e1c sai l\u1ec7ch, ch\u1ed3ng ch\u00e9o, l\u1ed7i k\u1ef9 thu\u1eadt trong m\u00f4 h\u00ecnh. Vi\u1ec7c so s\u00e1nh m\u00f4 h\u00ecnh v\u1eeba t\u1ea1o v\u1edbi d\u1eef li\u1ec7u Point Cloud g\u1ed1c gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m ch\u01b0a ch\u00ednh x\u00e1c, thi\u1ebfu chu\u1ea9n, t\u1eeb \u0111\u00f3 ch\u1ec9nh s\u1eeda \u0111\u1ec3 n\u00e2ng cao \u0111\u1ed9 ch\u00ednh x\u00e1c.<\/p>\n<p>C\u00e1c ph\u1ea7n m\u1ec1m nh\u01b0 Navisworks, Solibri \u0111\u1ec1u h\u1ed7 tr\u1ee3 ki\u1ec3m tra m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean c\u00e1c ti\u00eau chu\u1ea9n, quy chu\u1ea9n x\u00e2y d\u1ef1ng. Qu\u00e1 tr\u00ecnh n\u00e0y \u0111\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh \u0111\u00fang v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, ph\u00f9 h\u1ee3p v\u1edbi th\u1ef1c t\u1ebf, \u0111\u00e1p \u1ee9ng y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n. Khi ch\u1ec9nh s\u1eeda ho\u00e0n t\u1ea5t, m\u00f4 h\u00ecnh tr\u1edf th\u00e0nh phi\u00ean b\u1ea3n ho\u00e0n ch\u1ec9nh, ch\u00ednh x\u00e1c, s\u1eb5n s\u00e0ng cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng ti\u1ebfp theo.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Buoc_7_Xuat_file_mo_hinh_BIM_RVT_IFC_DWG_de_su_dung_tiep\"><\/span>B\u01b0\u1edbc 7: Xu\u1ea5t file m\u00f4 h\u00ecnh BIM (RVT, IFC, DWG..) \u0111\u1ec3 s\u1eed d\u1ee5ng ti\u1ebfp<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Cu\u1ed1i c\u00f9ng, m\u00f4 h\u00ecnh BIM ho\u00e0n ch\u1ec9nh \u0111\u01b0\u1ee3c xu\u1ea5t ra c\u00e1c \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p v\u1edbi ph\u1ea7n m\u1ec1m ho\u1eb7c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng nh\u01b0 RVT (Revit), IFC (s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng m\u1edf), DWG (AutoCAD). Vi\u1ec7c n\u00e0y gi\u00fap chia s\u1ebb, ph\u1ed1i h\u1ee3p d\u1eef li\u1ec7u d\u1ec5 d\u00e0ng gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn, c\u00e1c nh\u00e0 th\u1ea7u, nh\u00e0 t\u01b0 v\u1ea5n v\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n.<\/p>\n<p>T\u00f9y theo y\u00eau c\u1ea7u, c\u00e1c m\u00f4 h\u00ecnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n chia th\u00e0nh c\u00e1c ph\u1ea7n \u0111\u1ec3 x\u1eed l\u00fd ri\u00eang bi\u1ec7t ho\u1eb7c c\u1ed9ng t\u00e1c tr\u1ef1c tuy\u1ebfn qua n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y. Vi\u1ec7c xu\u1ea5t file ch\u00ednh x\u00e1c, ph\u00f9 h\u1ee3p \u0111\u1ecbnh d\u1ea1ng c\u0169ng gi\u00fap tinh gi\u1ea3n qu\u00e1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i d\u1eef li\u1ec7u, gi\u1ea3m sai s\u1ed1 v\u00e0 n\u00e2ng cao t\u00ednh linh ho\u1ea1t trong s\u1eed d\u1ee5ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Phan_mem_va_cong_cu_ho_tro_pho_bien\"><\/span>Ph\u1ea7n m\u1ec1m v\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 ph\u1ed5 bi\u1ebfn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud, s\u1ef1 h\u1ed7 tr\u1ee3 c\u1ee7a ph\u1ea7n m\u1ec1m ph\u1ea7n m\u1ec1m l\u00e0 \u0111i\u1ec1u kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o \u0111\u1ed9 ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 ti\u1ebft ki\u1ec7m th\u1eddi gian. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng ph\u1ea7n m\u1ec1m ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t hi\u1ec7n nay trong l\u0129nh v\u1ef1c n\u00e0y, c\u0169ng nh\u01b0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a ch\u00fang.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Phan_mem_xu_ly_Point_Cloud_Leica_Cyclone_Faro_Scene\"><\/span>Ph\u1ea7n m\u1ec1m x\u1eed l\u00fd Point Cloud: Leica Cyclone, Faro Scene..<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong>Leica Cyclone<\/strong> v\u00e0 <strong>Faro Scene<\/strong> l\u00e0 hai trong s\u1ed1 ph\u1ea7n m\u1ec1m x\u1eed l\u00fd Point Cloud h\u00e0ng \u0111\u1ea7u tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay. M\u1ed7i ph\u1ea7n m\u1ec1m c\u00f3 c\u00e1c t\u00ednh n\u0103ng ri\u00eang bi\u1ec7t, ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c y\u00eau c\u1ea7u, quy m\u00f4 v\u00e0 lo\u1ea1i d\u1eef li\u1ec7u kh\u00e1c nhau c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n<ul>\n<li><strong>Leica Cyclone<\/strong> n\u1ed5i b\u1eadt v\u1edbi kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u l\u1edbn, h\u1ed7 tr\u1ee3 ch\u1ec9nh s\u1eeda, ph\u00e2n t\u00edch, chuy\u1ec3n \u0111\u1ed5i sang c\u00e1c \u0111\u1ecbnh d\u1ea1ng ph\u00f9 h\u1ee3p cho c\u00e1c ph\u1ea7n m\u1ec1m BIM nh\u01b0 Revit hay AutoCAD. Cyclone c\u00f2n c\u00f3 t\u00ednh n\u0103ng t\u1ef1 \u0111\u1ed9ng ph\u00e2n lo\u1ea1i, l\u1ecdc nhi\u1ec5u, t\u1ea1o m\u1eb7t m\u1eadt \u0111\u1ed9 cao cho m\u00f4 h\u00ecnh 3D.<\/li>\n<li><strong>Faro Scene<\/strong> chuy\u00ean d\u1ee5ng cho d\u1eef li\u1ec7u qu\u00e9t laser c\u1ee7a Faro, d\u1ec5 s\u1eed d\u1ee5ng, t\u00edch h\u1ee3p c\u00e1c c\u00f4ng c\u1ee5 ch\u1ec9nh s\u1eeda, tr\u00edch xu\u1ea5t, ph\u00e2n lo\u1ea1i \u0111i\u1ec3m, ph\u00f9 h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n quy m\u00f4 v\u1eeba v\u00e0 nh\u1ecf, \u0111\u1eb7c bi\u1ec7t trong kh\u1ea3o s\u00e1t m\u1eb7t b\u1eb1ng, ki\u1ec3m tra nghi\u1ec7m thu.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"Phan_mem_dung_BIM_Autodesk_Revit_ArchiCAD_Navisworks\"><\/span>Ph\u1ea7n m\u1ec1m d\u1ef1ng BIM: Autodesk Revit, ArchiCAD, Navisworks..<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00e1c ph\u1ea7n m\u1ec1m d\u1ef1ng m\u00f4 h\u00ecnh BIM c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 <strong>Autodesk Revit<\/strong>, <strong>ArchiCAD<\/strong> v\u00e0 <strong>Navisworks<\/strong> \u0111\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng nh\u1eadp, ch\u1ec9nh s\u1eeda v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u Point Cloud, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c d\u1ef1 \u00e1n x\u00e2y d\u1ef1ng, ki\u1ebfn tr\u00fac ho\u1eb7c k\u1ef9 thu\u1eadt h\u1ea1ng cao.<\/p>\n<ul>\n<li><strong>Autodesk Revit<\/strong> l\u00e0 ph\u1ea7n m\u1ec1m ph\u1ed5 bi\u1ebfn nh\u1ea5t trong x\u00e2y d\u1ef1ng, t\u00edch h\u1ee3p nhi\u1ec1u c\u00f4ng c\u1ee5 \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a c\u1ea5u ki\u1ec7n, thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt, ph\u00e2n t\u00edch v\u00e0 ki\u1ec3m tra k\u1ef9 thu\u1eadt. Revit c\u00f2n cho ph\u00e9p li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp v\u1edbi d\u1eef li\u1ec7u Point Cloud \u0111\u1ec3 h\u1ed7 tr\u1ee3 tr\u00edch xu\u1ea5t c\u00e1c th\u00e0nh ph\u1ea7n.<\/li>\n<li><strong>ArchiCAD<\/strong> ph\u00f9 h\u1ee3p cho c\u00e1c d\u1ef1 \u00e1n thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac, c\u00f3 kh\u1ea3 n\u0103ng t\u00edch h\u1ee3p d\u1eef li\u1ec7u Point Cloud \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh ch\u00ednh x\u00e1c ph\u1ea3n \u00e1nh th\u1ef1c t\u1ebf.<\/li>\n<li><strong>Navisworks<\/strong> ch\u1ee7 y\u1ebfu \u0111\u1ec3 ki\u1ec3m tra, ph\u1ed1i h\u1ee3p v\u00e0 xem m\u00f4 h\u00ecnh trong qu\u00e1 tr\u00ecnh thi c\u00f4ng v\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, t\u1ea1o \u0111i\u1ec1u ki\u1ec7n d\u1ec5 d\u00e0ng \u0111\u1ec3 ki\u1ec3m tra xung \u0111\u1ed9t gi\u1eefa c\u00e1c h\u1ec7 th\u1ed1ng.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Luu_y_va_thach_thuc_khi_dung_BIM_tu_Point_Cloud\"><\/span>L\u01b0u \u00fd v\u00e0 th\u00e1ch th\u1ee9c khi d\u1ef1ng BIM t\u1eeb Point Cloud<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00f9 mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch, quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud c\u00f2n t\u1ed3n t\u1ea1i kh\u00f4ng \u00edt th\u00e1ch th\u1ee9c. Vi\u1ec7c n\u1eafm r\u00f5 c\u00e1c l\u01b0u \u00fd n\u00e0y s\u1ebd gi\u00fap c\u00e1c k\u1ef9 s\u01b0, nh\u00e0 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n ch\u1ee7 \u0111\u1ed9ng h\u01a1n trong qu\u00e1 tr\u00ecnh th\u1ef1c hi\u1ec7n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Khoi_luong_du_lieu_lon_yeu_cau_phan_cung_manh\"><\/span>Kh\u1ed1i l\u01b0\u1ee3ng d\u1eef li\u1ec7u l\u1edbn, y\u00eau c\u1ea7u ph\u1ea7n c\u1ee9ng m\u1ea1nh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1eef li\u1ec7u Point Cloud th\u01b0\u1eddng c\u00f3 k\u00edch th\u01b0\u1edbc r\u1ea5t l\u1edbn, t\u1edbi h\u00e0ng tr\u0103m GB ho\u1eb7c TB t\u00f9y d\u1ef1 \u00e1n. \u0110\u00f2i h\u1ecfi ph\u1ea3i c\u00f3 ph\u1ea7n c\u1ee9ng m\u1ea1nh, \u0111\u1ee7 RAM, CPU nhanh, \u1ed5 c\u1ee9ng SSD \u0111\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u trong th\u1eddi gian h\u1ee3p l\u00fd. Ngo\u00e0i ra, c\u00e1c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng \u0111\u00f2i h\u1ecfi c\u1ea5u h\u00ecnh cao, c\u1ea7n t\u1ed1i \u01b0u ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p \u0111\u1ec3 tr\u00e1nh gi\u1eadt, \u0111\u01a1, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t c\u00f4ng vi\u1ec7c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Do_chinh_xac_du_lieu_quet_anh_huong_den_chat_luong_mo_hinh\"><\/span>\u0110\u1ed9 ch\u00ednh x\u00e1c d\u1eef li\u1ec7u qu\u00e9t \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng m\u00f4 h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ch\u1ea5t l\u01b0\u1ee3ng d\u1eef li\u1ec7u Point Cloud quy\u1ebft \u0111\u1ecbnh tr\u1ef1c ti\u1ebfp t\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a m\u00f4 h\u00ecnh cu\u1ed1i c\u00f9ng. Nh\u1eefng y\u1ebfu t\u1ed1 nh\u01b0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i qu\u00e9t, c\u00e1c \u0111i\u1ec1u ki\u1ec7n th\u1eddi ti\u1ebft, \u00e1nh s\u00e1ng, c\u00e1ch qu\u00e9t v\u00e0 v\u1ecb tr\u00ed qu\u00e9t \u0111\u1ec1u \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn d\u1eef li\u1ec7u thu th\u1eadp \u0111\u01b0\u1ee3c. V\u00ec v\u1eady, c\u1ea7n c\u00f3 k\u1ef9 n\u0103ng, kinh nghi\u1ec7m trong qu\u00e1 tr\u00ecnh thu th\u1eadp \u0111\u1ec3 tr\u00e1nh nh\u1eefng sai s\u00f3t kh\u00f3 kh\u1eafc ph\u1ee5c v\u1ec1 sau.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Kinh_nghiem_ky_thuat_va_chuyen_mon_dung_mo_hinh\"><\/span>Kinh nghi\u1ec7m k\u1ef9 thu\u1eadt v\u00e0 chuy\u00ean m\u00f4n d\u1ef1ng m\u00f4 h\u00ecnh<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1eef li\u1ec7u Point Cloud y\u00eau c\u1ea7u x\u1eed l\u00fd, ph\u00e2n t\u00edch chuy\u00ean s\u00e2u, \u0111\u00f2i h\u1ecfi k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9 cao, th\u00e0nh th\u1ea1o c\u00e1c ph\u1ea7n m\u1ec1m chuy\u00ean d\u1ee5ng. Kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 thao t\u00e1c k\u1ef9 thu\u1eadt, m\u00e0 c\u00f2n ph\u1ea3i c\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 ki\u1ebfn tr\u00fac, k\u1ef9 thu\u1eadt, c\u1ea5u tr\u00fac c\u00f4ng tr\u00ecnh \u0111\u1ec3 ph\u00e2n t\u00edch d\u1eef li\u1ec7u ch\u00ednh x\u00e1c, tr\u00e1nh c\u00e1c sai l\u1ec7ch kh\u00f4ng mong mu\u1ed1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Thoi_gian_va_chi_phi_thuc_hien\"><\/span>Th\u1eddi gian v\u00e0 chi ph\u00ed th\u1ef1c hi\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Qu\u00e1 tr\u00ecnh thu th\u1eadp, x\u1eed l\u00fd, m\u00f4 h\u00ecnh h\u00f3a \u0111\u1ec1u t\u1ed1n kh\u00e1 nhi\u1ec1u th\u1eddi gian, \u0111\u1ed3ng th\u1eddi y\u00eau c\u1ea7u v\u1ec1 nh\u00e2n l\u1ef1c c\u00f3 tr\u00ecnh \u0111\u1ed9 cao. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m t\u0103ng chi ph\u00ed d\u1ef1 \u00e1n, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c d\u1ef1 \u00e1n l\u1edbn, ph\u1ee9c t\u1ea1p. Do \u0111\u00f3, c\u1ea7n l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng v\u00e0 t\u1ed1i \u01b0u quy tr\u00ecnh \u0111\u1ec3 gi\u1ea3m thi\u1ec3u th\u1eddi gian v\u00e0 chi ph\u00ed.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ung_dung_va_loi_ich_cua_quy_trinh_dung_BIM_tu_Point_Cloud\"><\/span>\u1ee8ng d\u1ee5ng v\u00e0 l\u1ee3i \u00edch c\u1ee7a quy tr\u00ecnh d\u1ef1ng BIM t\u1eeb Point Cloud<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Vi\u1ec7c \u1ee9ng d\u1ee5ng <strong>quy tr\u00ecnh d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud<\/strong> mang l\u1ea1i nh\u1eefng k\u1ebft qu\u1ea3 v\u01b0\u1ee3t tr\u1ed9i, gi\u00fap n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng vi\u1ec7c v\u00e0 ti\u1ebft ki\u1ec7m t\u1ed1i \u0111a c\u00e1c ngu\u1ed3n l\u1ef1c trong d\u00e0i h\u1ea1n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ung_dung_trong_xay_dung_cai_tao_bao_tri_quan_ly_tai_san\"><\/span>\u1ee8ng d\u1ee5ng trong x\u00e2y d\u1ef1ng, c\u1ea3i t\u1ea1o, b\u1ea3o tr\u00ec, qu\u1ea3n l\u00fd t\u00e0i s\u1ea3n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u1eef li\u1ec7u Point Cloud gi\u00fap t\u00e1i t\u1ea1o ch\u00ednh x\u00e1c to\u00e0n b\u1ed9 th\u00e0nh ph\u1ea7n c\u1ee7a c\u00f4ng tr\u00ecnh, ph\u1ee5c v\u1ee5 c\u00f4ng t\u00e1c kh\u1ea3o s\u00e1t, l\u1eadp d\u1ef1 \u00e1n c\u1ea3i t\u1ea1o, n\u00e2ng c\u1ea5p ho\u1eb7c b\u1ea3o tr\u00ec \u0111\u1ecbnh k\u1ef3. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c t\u00ecnh tr\u1ea1ng c\u00e1c c\u1ea5u ki\u1ec7n, c\u00e1c ph\u1ea7n t\u1eed b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c hao m\u00f2n theo th\u1eddi gian, c\u00e1c nh\u00e0 qu\u1ea3n l\u00fd c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c k\u1ebf ho\u1ea1ch s\u1eeda ch\u1eefa ho\u1eb7c n\u00e2ng c\u1ea5p ph\u00f9 h\u1ee3p, gi\u1ea3m thi\u1ec3u chi ph\u00ed ph\u00e1t sinh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tang_hieu_qua_quan_ly_du_an_va_phoi_hop_giua_cac_ben\"><\/span>T\u0103ng hi\u1ec7u qu\u1ea3 qu\u1ea3n l\u00fd d\u1ef1 \u00e1n v\u00e0 ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c b\u00ean<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Vi\u1ec7c chia s\u1ebb d\u1eef li\u1ec7u m\u00f4 h\u00ecnh BIM tr\u1ef1c ti\u1ebfp t\u1eeb Point Cloud gi\u00fap m\u1ecdi b\u00ean li\u00ean quan c\u00f3 th\u1ec3 truy c\u1eadp, c\u1eadp nh\u1eadt v\u00e0 ki\u1ec3m tra m\u00f4 h\u00ecnh \u1edf m\u1ecdi qu\u00e1 tr\u00ecnh. \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng t\u00ednh minh b\u1ea1ch, gi\u1ea3m sai l\u1ec7ch, \u0111\u1ed3ng th\u1eddi th\u00fac \u0111\u1ea9y h\u1ee3p t\u00e1c, ph\u1ed1i h\u1ee3p gi\u1eefa c\u00e1c nh\u00f3m k\u1ef9 thu\u1eadt, nh\u00e0 th\u1ea7u v\u00e0 ch\u1ee7 \u0111\u1ea7u t\u01b0.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tiet_kiem_thoi_gian_chi_phi_va_giam_rui_ro_trong_thi_cong\"><\/span>Ti\u1ebft ki\u1ec7m th\u1eddi gian, chi ph\u00ed v\u00e0 gi\u1ea3m r\u1ee7i ro trong thi c\u00f4ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>So v\u1edbi ph\u01b0\u01a1ng ph\u00e1p th\u1ee7 c\u00f4ng, d\u1ef1ng m\u00f4 h\u00ecnh d\u1ef1a tr\u00ean d\u1eef li\u1ec7u Point Cloud r\u00fat ng\u1eafn \u0111\u00e1ng k\u1ec3 th\u1eddi gian ti\u1ebfn h\u00e0nh c\u00e1c b\u01b0\u1edbc chu\u1ea9n b\u1ecb, ki\u1ec3m tra, m\u00f4 ph\u1ecfng. \u0110\u1ed3ng th\u1eddi, \u0111\u1ed9 ch\u00ednh x\u00e1c mang l\u1ea1i gi\u00fap tr\u00e1nh l\u1ec7ch l\u1ea1c, sai s\u00f3t thi\u1ebft k\u1ebf, gi\u1ea3m thi\u1ec3u nh\u1eefng ch\u1ec9nh s\u1eeda kh\u00f4ng c\u1ea7n thi\u1ebft, t\u1eeb \u0111\u00f3 ti\u1ebft ki\u1ec7m chi ph\u00ed, n\u00e2ng cao hi\u1ec7u qu\u1ea3 c\u00f4ng tr\u00ecnh.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Ket_luan\"><\/span>K\u1ebft lu\u1eadn<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Trong xu h\u01b0\u1edbng c\u00f4ng ngh\u1ec7 s\u1ed1 h\u00f3a to\u00e0n di\u1ec7n ng\u00e0nh x\u00e2y d\u1ef1ng,<a href=\"https:\/\/vmts.ch\/vi\/\"> <strong>VMT Solutions<\/strong><\/a> t\u1ef1 h\u00e0o l\u00e0 \u0111\u01a1n v\u1ecb \u0111i \u0111\u1ea7u trong cung c\u1ea5p d\u1ecbch v\u1ee5 d\u1ef1ng m\u00f4 h\u00ecnh BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud ch\u1ea5t l\u01b0\u1ee3ng cao, ch\u00ednh x\u00e1c, \u0111\u00fang ti\u1ebfn \u0111\u1ed9. Ch\u00fang t\u00f4i s\u1edf h\u1eefu \u0111\u1ed9i ng\u0169 k\u1ef9 thu\u1eadt vi\u00ean c\u00f3 tr\u00ecnh \u0111\u1ed9 chuy\u00ean m\u00f4n cao, trang b\u1ecb c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u1ea5t c\u00f9ng h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, gi\u00fap kh\u00e1ch h\u00e0ng y\u00ean t\u00e2m v\u1ec1 \u0111\u1ed9 tin c\u1eady v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a d\u1ecbch v\u1ee5.<\/p>\n<p>L\u1ee3i \u00edch khi h\u1ee3p t\u00e1c v\u1edbi VMT Solutions l\u00e0 s\u1ef1 cam k\u1ebft v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng, \u0111\u1ed9 ch\u00ednh x\u00e1c v\u00e0 th\u1eddi gian \u0111\u00e1p \u1ee9ng nhanh ch\u00f3ng. Ch\u00fang t\u00f4i lu\u00f4n l\u1eafng nghe v\u00e0 t\u01b0 v\u1ea5n t\u1eadn t\u00ecnh gi\u1ea3i ph\u00e1p ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi t\u1eebng d\u1ef1 \u00e1n, t\u1eeb nh\u1ecf \u0111\u1ebfn l\u1edbn, t\u1eeb y\u00eau c\u1ea7u thi\u1ebft k\u1ebf, thi c\u00f4ng \u0111\u1ebfn v\u1eadn h\u00e0nh, b\u1ea3o tr\u00ec.<\/p>\n<p><strong>Li\u00ean h\u1ec7 ngay v\u1edbi VMT Solutions<\/strong> \u0111\u1ec3 \u0111\u01b0\u1ee3c t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed, b\u00e1o gi\u00e1 ch\u00ednh x\u00e1c v\u00e0 b\u1eaft \u0111\u1ea7u d\u1ef1 \u00e1n d\u1ef1ng BIM t\u1eeb d\u1eef li\u1ec7u Point Cloud c\u1ee7a b\u1ea1n. Truy c\u1eadp website vmts.ch ho\u1eb7c g\u1ecdi hotline \u0111\u1ec3 bi\u1ebft th\u00eam th\u00f4ng tin, b\u1eaft \u0111\u1ea7u h\u00e0nh tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i s\u1ed1 cho c\u00f4ng tr\u00ecnh c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 nh\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong b\u1ed1i c\u1ea3nh n\u1ec1n c\u00f4ng nghi\u1ec7p x\u00e2y d\u1ef1ng \u0111ang ng\u00e0y c\u00e0ng \u0111\u00f2i h\u1ecfi t\u00ednh ch\u00ednh x\u00e1c, hi\u1ec7u qu\u1ea3 v\u00e0 t\u1ed1i \u01b0u trong qu\u1ea3n l\u00fd d\u1ef1 \u00e1n, c\u00e1c c\u00f4ng ngh\u1ec7 m\u1edbi nh\u01b0 BIM v\u00e0 Point Cloud [&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":31553,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[132],"tags":[],"class_list":["post-31541","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mo-hinh-hoa-3d-bim-tu-point-cloud"],"acf":[],"_links":{"self":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/31541","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/comments?post=31541"}],"version-history":[{"count":1,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/31541\/revisions"}],"predecessor-version":[{"id":32026,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/posts\/31541\/revisions\/32026"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/media\/31553"}],"wp:attachment":[{"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/media?parent=31541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/categories?post=31541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vmts.ch\/vi\/wp-json\/wp\/v2\/tags?post=31541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}